1105745647 has 2 divisors, whose sum is σ = 1105745648. Its totient is φ = 1105745646.

The previous prime is 1105745639. The next prime is 1105745651. The reversal of 1105745647 is 7465475011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105745647 - 2³ = 1105745639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105745617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552872823 + 552872824.

It is an arithmetic number, because the mean of its divisors is an integer number (552872824).

Almost surely, 2^1105745647 is an apocalyptic number.

1105745647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105745647 is an equidigital number, since it uses as much as digits as its factorization.

1105745647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 1105745647 is about 33252.7539761747. The cubic root of 1105745647 is about 1034.0743034298.

The spelling of 1105745647 in words is "one billion, one hundred five million, seven hundred forty-five thousand, six hundred forty-seven".